crosstool-ng: scripts/build/cc/gcc.sh@e2e0f34eab6c

     1 # This file adds the function to build the gcc C compiler

     2 # Copyright 2007 Yann E. MORIN

     3 # Licensed under the GPL v2. See COPYING in the root of this package

     5 # Download gcc

     6 do_cc_get() {

     7     local linaro_version

     8     local linaro_series

     9     local linaro_base_url="http://launchpad.net/gcc-linaro"

    11     if [ "${CT_CC_CUSTOM}" = "y" ]; then

    12         CT_GetCustom "gcc" "${CT_CC_VERSION}" "${CT_CC_CUSTOM_LOCATION}"

    13     else

    14         # Account for the Linaro versioning

    15         linaro_version="$( echo "${CT_CC_VERSION}"      \

    16                            |sed -r -e 's/^linaro-//;'   \

    17                          )"

    18         linaro_series="$( echo "${linaro_version}"      \

    19                           |sed -r -e 's/-.*//;'         \

    20                         )"

    22         # Ah! gcc folks are kind of 'different': they store the tarballs in

    23         # subdirectories of the same name!

    24         # Arrgghh! Some of those versions does not follow this convention:

    25         # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a

    26         # subdirectory!

    27         CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

    28                    {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}}         \

    29                    ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \

    30                    ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION}                         \

    31                    "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"

    33     fi # ! custom location

    34     # Starting with GCC 4.3, ecj is used for Java, and will only be

    35     # built if the configure script finds ecj.jar at the top of the

    36     # GCC source tree, which will not be there unless we get it and

    37     # put it there ourselves

    38     if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then

    39         CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java   \

    40                                    ftp://sourceware.org/pub/java

    41     fi

    42 }

    44 # Extract gcc

    45 do_cc_extract() {

    46     # If using custom directory location, nothing to do

    47     if [ "${CT_CC_CUSTOM}" = "y"                    \

    48          -a -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}" ]; then

    49         return 0

    50     fi

    52     CT_Extract "gcc-${CT_CC_VERSION}"

    53     CT_Patch "gcc" "${CT_CC_VERSION}"

    55     # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree

    56     if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y"                     \

    57          -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"   \

    58        ]; then

    59         CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"

    60     fi

    61 }

    63 #------------------------------------------------------------------------------

    64 # This function builds up the set of languages to enable

    65 # No argument expected, returns the comma-separated language list on stdout

    66 cc_gcc_lang_list() {

    67     local lang_list

    69     lang_list="c"

    70     [ "${CT_CC_LANG_CXX}" = "y"      ] && lang_list+=",c++"

    71     [ "${CT_CC_LANG_FORTRAN}" = "y"  ] && lang_list+=",fortran"

    72     [ "${CT_CC_LANG_ADA}" = "y"      ] && lang_list+=",ada"

    73     [ "${CT_CC_LANG_JAVA}" = "y"     ] && lang_list+=",java"

    74     [ "${CT_CC_LANG_OBJC}" = "y"     ] && lang_list+=",objc"

    75     [ "${CT_CC_LANG_OBJCXX}" = "y"   ] && lang_list+=",obj-c++"

    76     [ "${CT_CC_LANG_GOLANG}" = "y"   ] && lang_list+=",go"

    77     lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"

    79     printf "%s" "${lang_list}"

    80 }

    82 #------------------------------------------------------------------------------

    83 # Core gcc pass 1

    84 do_cc_core_pass_1() {

    85     local -a core_opts

    87     if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then

    88         return 0

    89     fi

    91     core_opts+=( "mode=static" )

    92     core_opts+=( "host=${CT_BUILD}" )

    93     core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )

    94     core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

    95     core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

    96     core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )

    97     core_opts+=( "lang_list=c" )

    99     CT_DoStep INFO "Installing pass-1 core C compiler"

   100     CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"

   102     do_cc_core_backend "${core_opts[@]}"

   104     CT_Popd

   105     CT_EndStep

   106 }

   108 # Core gcc pass 2

   109 do_cc_core_pass_2() {

   110     local -a core_opts

   112     if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then

   113         return 0

   114     fi

   116     # Common options:

   117     core_opts+=( "host=${CT_BUILD}" )

   118     core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

   119     core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )

   120     core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

   121     core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )

   122     core_opts+=( "lang_list=c" )

   124     # Different conditions are at stake here:

   125     #   - In case the threading model is NPTL, we need a shared-capable core

   126     #     gcc; in all other cases, we need a static-only core gcc.

   127     #   - In case the threading model is NPTL or win32, or gcc is 4.3 or

   128     #     later, we need to build libgcc

   129     case "${CT_THREADS}" in

   130         nptl)

   131             core_opts+=( "mode=shared" )

   132             core_opts+=( "build_libgcc=yes" )

   133             ;;

   134         win32)

   135             core_opts+=( "mode=static" )

   136             core_opts+=( "build_libgcc=yes" )

   137             ;;

   138         *)

   139             core_opts+=( "mode=static" )

   140             if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then

   141                 core_opts+=( "build_libgcc=yes" )

   142             fi

   143             ;;

   144     esac

   146     CT_DoStep INFO "Installing pass-2 core C compiler"

   147     CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"

   149     do_cc_core_backend "${core_opts[@]}"

   151     CT_Popd

   152     CT_EndStep

   153 }

   155 #------------------------------------------------------------------------------

   156 # Build core gcc

   157 # This function is used to build the core C compiler.

   158 # Usage: do_cc_core_backend param=value [...]

   159 #   Parameter           : Definition                                : Type      : Default

   160 #   mode                : build a 'static', 'shared' or 'baremetal' : string    : (none)

   161 #   host                : the machine the core will run on          : tuple     : (none)

   162 #   prefix              : dir prefix to install into                : dir       : (none)

   163 #   complibs            : dir where complibs are isntalled          : dir       : (none)

   164 #   lang_list           : the list of languages to build            : string    : (empty)

   165 #   build_libgcc        : build libgcc or not                       : bool      : no

   166 #   build_libstdcxx     : build libstdc++ or not                    : bool      : no

   167 #   build_libgfortran   : build libgfortran or not                  : bool      : no

   168 #   build_staticlinked  : build statically linked or not            : bool      : no

   169 #   build_manuals       : whether to build manuals or not           : bool      : no

   170 #   cflags              : cflags to use                             : string    : (empty)

   171 #   ldflags             : ldflags to use                            : string    : (empty)

   172 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]

   173 do_cc_core_backend() {

   174     local mode

   175     local build_libgcc=no

   176     local build_libstdcxx=no

   177     local build_libgfortran=no

   178     local build_staticlinked=no

   179     local build_manuals=no

   180     local host

   181     local prefix

   182     local complibs

   183     local lang_list

   184     local cflags

   185     local ldflags

   186     local tmp

   187     local -a host_libstdcxx_flags

   188     local -a extra_config

   189     local -a core_LDFLAGS

   190     local -a core_targets

   191     local arg

   193     for arg in "$@"; do

   194         eval "${arg// /\\ }"

   195     done

   197     CT_DoLog EXTRA "Configuring gcc"

   199     case "${mode}" in

   200         static)

   201             extra_config+=("--with-newlib")

   202             extra_config+=("--enable-threads=no")

   203             extra_config+=("--disable-shared")

   204             copy_headers=y  # For baremetal, as there's no headers to copy,

   205                             # we copy an empty directory. So, who cares?

   206             ;;

   207         shared)

   208             extra_config+=("--enable-shared")

   209             copy_headers=y

   210             ;;

   211         baremetal)

   212             extra_config+=("--with-newlib")

   213             extra_config+=("--enable-threads=no")

   214             extra_config+=("--disable-shared")

   215             copy_headers=n

   216             ;;

   217         *)

   218             CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"

   219             ;;

   220     esac

   222     if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then

   223         # Bare metal delivers the core compiler as final compiler, so add version info and bugurl

   224         extra_config+=("--with-pkgversion=${CT_PKGVERSION}")

   225         [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")

   226     fi

   228     if [ "${copy_headers}" = "y" ]; then

   229         CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"

   230         CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"

   231     fi

   233     for tmp in ARCH ABI CPU TUNE FPU FLOAT; do

   234         eval tmp="\${CT_ARCH_WITH_${tmp}}"

   235         if [ -n "${tmp}" ]; then

   236             extra_config+=("${tmp}")

   237         fi

   238     done

   239     if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then

   240         extra_config+=("--enable-__cxa_atexit")

   241     else

   242         extra_config+=("--disable-__cxa_atexit")

   243     fi

   245     core_LDFLAGS+=("${ldflags}")

   247     # *** WARNING ! ***

   248     # Keep this full if-else-if-elif-fi-fi block in sync

   249     # with the same block in do_cc, below.

   250     if [ "${build_staticlinked}" = "yes" ]; then

   251         core_LDFLAGS+=("-static")

   252         host_libstdcxx_flags+=("-static-libgcc")

   253         host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")

   254         host_libstdcxx_flags+=("-lm")

   255         # Companion libraries are build static (eg !shared), so

   256         # the libstdc++ is not pulled automatically, although it

   257         # is needed. Shoe-horn it in our LDFLAGS

   258         # Ditto libm on some Fedora boxen

   259         core_LDFLAGS+=("-lstdc++")

   260         core_LDFLAGS+=("-lm")

   261     else

   262         if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then

   263             # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2

   264             # build script

   265             # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,

   266             #       see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html

   267             host_libstdcxx_flags+=("-static-libgcc")

   268             host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")

   269             host_libstdcxx_flags+=("-lm")

   270         elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then

   271             # When companion libraries are build static (eg !shared),

   272             # the libstdc++ is not pulled automatically, although it

   273             # is needed. Shoe-horn it in our LDFLAGS

   274             # Ditto libm on some Fedora boxen

   275             core_LDFLAGS+=("-lstdc++")

   276             core_LDFLAGS+=("-lm")

   277         fi

   278     fi

   280     if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then

   281         extra_config+=("--with-gmp=${complibs}")

   282         extra_config+=("--with-mpfr=${complibs}")

   283     fi

   284     if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then

   285         extra_config+=("--with-mpc=${complibs}")

   286     fi

   287     if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then

   288         if [ "${CT_PPL}" = "y" ]; then

   289             extra_config+=("--with-ppl=${complibs}")

   290             # With PPL 0.11+, also pull libpwl if needed

   291             if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then

   292                 host_libstdcxx_flags+=("-L${complibs}/lib")

   293                 host_libstdcxx_flags+=("-lpwl")

   294             fi

   295         fi

   296         if [ "${CT_ISL}" = "y" ]; then

   297             extra_config+=("--with-isl=${complibs}")

   298         fi

   299         extra_config+=("--with-cloog=${complibs}")

   300     elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then

   301         extra_config+=("--with-ppl=no")

   302         extra_config+=("--with-isl=no")

   303         extra_config+=("--with-cloog=no")

   304     fi

   305     if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then

   306         extra_config+=("--with-libelf=${complibs}")

   307         extra_config+=("--enable-lto")

   308     elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then

   309         extra_config+=("--with-libelf=no")

   310         extra_config+=("--disable-lto")

   311     fi

   313     if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then

   314         extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")

   315     fi

   317     if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then

   318         extra_config+=("--enable-target-optspace")

   319     fi

   321     case "${CT_CC_GCC_LDBL_128}" in

   322         y)  extra_config+=("--with-long-double-128");;

   323         m)  ;;

   324         "") extra_config+=("--without-long-double-128");;

   325     esac

   327     if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then

   328         extra_config+=( --enable-linker-build-id )

   329     fi

   331     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   332         "") ;;

   333         *)  extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;

   334     esac

   336     case "${CT_ARCH}" in

   337         mips)

   338             case "${CT_CC_GCC_mips_llsc}" in

   339                 y)  extra_config+=( --with-llsc );;

   340                 m)  ;;

   341                 *)  extra_config+=( --without-llsc );;

   342             esac

   343             case "${CT_CC_GCC_mips_synci}" in

   344                 y)  extra_config+=( --with-synci );;

   345                 m)  ;;

   346                 *)  extra_config+=( --without-synci );;

   347             esac

   348             if [ "${CT_CC_GCC_mips_plt}" ]; then

   349                 extra_config+=( --with-mips-plt )

   350             fi

   351             ;; # ARCH is mips

   352     esac

   354     extra_config+=(--disable-libgomp)

   355     extra_config+=(--disable-libmudflap)

   357     [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")

   359     [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")

   361     if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then

   362         extra_config+=("--with-system-zlib")

   363     fi

   365     if [ "${CT_MULTILIB}" = "y" ]; then

   366         extra_config+=("--enable-multilib")

   367     else

   368         extra_config+=("--disable-multilib")

   369     fi

   371     CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"

   373     # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)

   374     CT_DoExecLog CFG                                \

   375     CC_FOR_BUILD="${CT_BUILD}-gcc"                  \

   376     CFLAGS="${cflags}"                              \

   377     LDFLAGS="${core_LDFLAGS[*]}"                    \

   378     "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure"  \

   379         --build=${CT_BUILD}                         \

   380         --host=${host}                              \

   381         --target=${CT_TARGET}                       \

   382         --prefix="${prefix}"                        \

   383         --with-local-prefix="${CT_SYSROOT_DIR}"     \

   384         --disable-libmudflap                        \

   385         ${CC_CORE_SYSROOT_ARG}                      \

   386         "${extra_config[@]}"                        \

   387         --enable-languages="${lang_list}"           \

   388         "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"

   390     if [ "${build_libgcc}" = "yes" ]; then

   391         # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or

   392         # gcc/config/t-libunwind so -lc is removed from the link for

   393         # libgcc_s.so, as we do not have a target -lc yet.

   394         # This is not as ugly as it appears to be ;-) All symbols get resolved

   395         # during the glibc build, and we provide a proper libgcc_s.so for the

   396         # cross toolchain during the final gcc build.

   397         #

   398         # As we cannot modify the source tree, nor override SHLIB_LC itself

   399         # during configure or make, we have to edit the resultant

   400         # gcc/libgcc.mk itself to remove -lc from the link.

   401         # This causes us to have to jump through some hoops...

   402         #

   403         # To produce libgcc.mk to edit we firstly require libiberty.a,

   404         # so we configure then build it.

   405         # Next we have to configure gcc, create libgcc.mk then edit it...

   406         # So much easier if we just edit the source tree, but hey...

   407         if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then

   408             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty

   409             CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a

   410             CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp

   411             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   412         else

   413             CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty

   414             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty

   415         fi

   416         # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.

   417         if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then

   418             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber

   419             CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a

   420         fi

   421         # HACK: gcc-4.8 uses libbacktrace to make libgcc.mvars, so make it here.

   422         if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libbacktrace" ]; then

   423             CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace

   424             CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace

   425         fi

   427         # Starting with GCC 4.3, libgcc.mk is no longer built,

   428         # and libgcc.mvars is used instead.

   430         if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then

   431             libgcc_rule="libgcc.mvars"

   432             core_targets=( gcc target-libgcc )

   433         else

   434             libgcc_rule="libgcc.mk"

   435             core_targets=( gcc )

   436         fi

   438         # On bare metal and canadian build the host-compiler is used when

   439         # actually the build-system compiler is required. Choose the correct

   440         # compilers for canadian build and use the defaults on other

   441         # configurations.

   442         if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then

   443             repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \

   444                        CXX_FOR_BUILD=${CT_BUILD}-g++ \

   445                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   446         else

   447             repair_cc=""

   448         fi

   450         CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \

   451                               ${repair_cc}

   452         sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}

   453     else # build_libgcc

   454         core_targets=( gcc )

   455     fi   # ! build libgcc

   456     if [    "${build_libstdcxx}" = "yes"    \

   457          -a "${CT_CC_LANG_CXX}"  = "y"      \

   458        ]; then

   459         core_targets+=( target-libstdc++-v3 )

   460     fi

   462     if [    "${build_libgfortran}" = "yes"    \

   463          -a "${CT_CC_LANG_FORTRAN}"  = "y"    \

   464        ]; then

   465         core_targets+=( target-libgfortran )

   466     fi

   468     CT_DoLog EXTRA "Building gcc"

   469     CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"

   471     CT_DoLog EXTRA "Installing gcc"

   472     CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"

   474     if [ "${build_manuals}" = "yes" ]; then

   475         CT_DoLog EXTRA "Building the GCC manuals"

   476         CT_DoExecLog ALL make pdf html

   477         CT_DoLog EXTRA "Installing the GCC manuals"

   478         CT_DoExecLog ALL make install-{pdf,html}-gcc

   479     fi

   481     # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able

   482     # to call the C compiler with the same, somewhat canonical name.

   483     # check whether compiler has an extension

   484     file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"

   485     [ -z "${file}" ] || ext=".${file##*.}"

   486     CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"

   488     if [ "${CT_MULTILIB}" = "y" ]; then

   489         if [ "${CT_CANADIAN}" = "y" -a "${mode}" = "baremetal" \

   490              -a "${host}" = "${CT_HOST}" ]; then

   491             CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"

   492         else

   493             multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib   \

   494                            |tail -n +2 ) )

   495             if [ ${#multilibs[@]} -ne 0 ]; then

   496                 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"

   497                 for i in "${multilibs[@]}"; do

   498                     dir="${i%%;*}"

   499                     flags="${i#*;}"

   500                     CT_DoLog EXTRA "   ${flags//@/ -}  -->  ${dir}/"

   501                 done

   502             else

   503                 CT_DoLog WARN "gcc configured for multilib, but none available"

   504            fi

   505         fi

   506     fi

   507 }

   509 #------------------------------------------------------------------------------

   510 # Build complete gcc to run on build

   511 do_cc_for_build() {

   512     local -a build_final_opts

   513     local build_final_backend

   515     # In case we're canadian or cross-native, it seems that a

   516     # real, complete compiler is needed?!? WTF? Sigh...

   517     # Otherwise, there is nothing to do.

   518     case "${CT_TOOLCHAIN_TYPE}" in

   519         native|cross)   return 0;;

   520     esac

   522     build_final_opts+=( "host=${CT_BUILD}" )

   523     build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

   524     build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )

   525     build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )

   526     if [ "${CT_BARE_METAL}" = "y" ]; then

   527         # In the tests I've done, bare-metal was not impacted by the

   528         # lack of such a compiler, but better safe than sorry...

   529         build_final_opts+=( "mode=baremetal" )

   530         build_final_opts+=( "build_libgcc=yes" )

   531         build_final_opts+=( "build_libstdcxx=yes" )

   532         build_final_opts+=( "build_libgfortran=yes" )

   533         if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then

   534             build_final_opts+=( "build_staticlinked=yes" )

   535         fi

   536         build_final_backend=do_cc_core_backend

   537     else

   538         build_final_backend=do_cc_backend

   539     fi

   541     CT_DoStep INFO "Installing final compiler for build"

   542     CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"

   544     "${build_final_backend}" "${build_final_opts[@]}"

   546     CT_Popd

   547     CT_EndStep

   548 }

   550 #------------------------------------------------------------------------------

   551 # Build final gcc to run on host

   552 do_cc_for_host() {

   553     local -a final_opts

   554     local final_backend

   556     final_opts+=( "host=${CT_HOST}" )

   557     final_opts+=( "prefix=${CT_PREFIX_DIR}" )

   558     final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )

   559     final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

   560     final_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )

   561     final_opts+=( "lang_list=$( cc_gcc_lang_list )" )

   562     if [ "${CT_BUILD_MANUALS}" = "y" ]; then

   563         final_opts+=( "build_manuals=yes" )

   564     fi

   565     if [ "${CT_BARE_METAL}" = "y" ]; then

   566         final_opts+=( "mode=baremetal" )

   567         final_opts+=( "build_libgcc=yes" )

   568         final_opts+=( "build_libstdcxx=yes" )

   569         final_opts+=( "build_libgfortran=yes" )

   570         if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then

   571             final_opts+=( "build_staticlinked=yes" )

   572         fi

   573         final_backend=do_cc_core_backend

   574     else

   575         final_backend=do_cc_backend

   576     fi

   578     CT_DoStep INFO "Installing final compiler"

   579     CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"

   581     "${final_backend}" "${final_opts[@]}"

   583     CT_Popd

   584     CT_EndStep

   585 }

   587 #------------------------------------------------------------------------------

   588 # Build the final gcc

   589 # Usage: do_cc_backend param=value [...]

   590 #   Parameter     : Definition                          : Type      : Default

   591 #   host          : the host we run onto                : tuple     : (none)

   592 #   prefix        : the runtime prefix                  : dir       : (none)

   593 #   complibs      : the companion libraries prefix      : dir       : (none)

   594 #   cflags        : cflags to use                       : string    : (empty)

   595 #   ldflags       : ldflags to use                      : string    : (empty)

   596 #   lang_list     : the list of languages to build      : string    : (empty)

   597 #   build_manuals : whether to build manuals or not     : bool      : no

   598 do_cc_backend() {

   599     local host

   600     local prefix

   601     local complibs

   602     local cflags

   603     local ldflags

   604     local lang_list

   605     local build_manuals

   606     local -a host_libstdcxx_flags

   607     local -a extra_config

   608     local -a final_LDFLAGS

   609     local tmp

   610     local arg

   612     for arg in "$@"; do

   613         eval "${arg// /\\ }"

   614     done

   616     CT_DoLog EXTRA "Configuring gcc"

   618     # Enable selected languages

   619     extra_config+=("--enable-languages=${lang_list}")

   621     for tmp in ARCH ABI CPU TUNE FPU FLOAT; do

   622         eval tmp="\${CT_ARCH_WITH_${tmp}}"

   623         if [ -n "${tmp}" ]; then

   624             extra_config+=("${tmp}")

   625         fi

   626     done

   628     [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")

   629     if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then

   630         extra_config+=("--with-pkgversion=${CT_PKGVERSION}")

   631         [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")

   632     fi

   633     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

   634         y)  extra_config+=("--enable-sjlj-exceptions");;

   635         m)  ;;

   636         "") extra_config+=("--disable-sjlj-exceptions");;

   637     esac

   638     if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then

   639         extra_config+=("--enable-__cxa_atexit")

   640     else

   641         extra_config+=("--disable-__cxa_atexit")

   642     fi

   643     if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then

   644         extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")

   645     fi

   646     if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then

   647         extra_config+=(--enable-libmudflap)

   648     else

   649         extra_config+=(--disable-libmudflap)

   650     fi

   651     if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then

   652         extra_config+=(--enable-libgomp)

   653     else

   654         extra_config+=(--disable-libgomp)

   655     fi

   656     if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then

   657         extra_config+=(--enable-libssp)

   658     else

   659         extra_config+=(--disable-libssp)

   660     fi

   661     if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then

   662         if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then

   663             extra_config+=(--enable-libquadmath)

   664             extra_config+=(--enable-libquadmath-support)

   665         else

   666             extra_config+=(--disable-libquadmath)

   667             extra_config+=(--disable-libquadmath-support)

   668         fi

   669     fi

   671     final_LDFLAGS+=("${ldflags}")

   673     # *** WARNING ! ***

   674     # Keep this full if-else-if-elif-fi-fi block in sync

   675     # with the same block in do_cc_core, above.

   676     if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then

   677         final_LDFLAGS+=("-static")

   678         host_libstdcxx_flags+=("-static-libgcc")

   679         host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")

   680         host_libstdcxx_flags+=("-lm")

   681         # Companion libraries are build static (eg !shared), so

   682         # the libstdc++ is not pulled automatically, although it

   683         # is needed. Shoe-horn it in our LDFLAGS

   684         # Ditto libm on some Fedora boxen

   685         final_LDFLAGS+=("-lstdc++")

   686         final_LDFLAGS+=("-lm")

   687     else

   688         if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then

   689             # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2

   690             # build script

   691             # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,

   692             #       see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html

   693             host_libstdcxx_flags+=("-static-libgcc")

   694             host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")

   695             host_libstdcxx_flags+=("-lm")

   696         elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then

   697             # When companion libraries are build static (eg !shared),

   698             # the libstdc++ is not pulled automatically, although it

   699             # is needed. Shoe-horn it in our LDFLAGS

   700             # Ditto libm on some Fedora boxen

   701             final_LDFLAGS+=("-lstdc++")

   702             final_LDFLAGS+=("-lm")

   703         fi

   704     fi

   706     if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then

   707         extra_config+=("--with-gmp=${complibs}")

   708         extra_config+=("--with-mpfr=${complibs}")

   709     fi

   710     if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then

   711         extra_config+=("--with-mpc=${complibs}")

   712     fi

   713     if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then

   714         if [ "${CT_PPL}" = "y" ]; then

   715             extra_config+=("--with-ppl=${complibs}")

   716             # With PPL 0.11+, also pull libpwl if needed

   717             if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then

   718                 host_libstdcxx_flags+=("-L${complibs}/lib")

   719                 host_libstdcxx_flags+=("-lpwl")

   720             fi

   721         fi

   722         if [ "${CT_ISL}" = "y" ]; then

   723             extra_config+=("--with-isl=${complibs}")

   724         fi

   725         extra_config+=("--with-cloog=${complibs}")

   726     elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then

   727         extra_config+=("--with-ppl=no")

   728         extra_config+=("--with-isl=no")

   729         extra_config+=("--with-cloog=no")

   730     fi

   731     if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then

   732         extra_config+=("--with-libelf=${complibs}")

   733     elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then

   734         extra_config+=("--with-libelf=no")

   735     fi

   737     if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then

   738         extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")

   739     fi

   741     if [ "${CT_THREADS}" = "none" ]; then

   742         extra_config+=("--disable-threads")

   743         if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then

   744             CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"

   745             extra_config+=("--disable-libgomp")

   746         fi

   747     else

   748         if [ "${CT_THREADS}" = "win32" ]; then

   749             extra_config+=("--enable-threads=win32")

   750             extra_config+=("--disable-win32-registry")

   751         else

   752             extra_config+=("--enable-threads=posix")

   753         fi

   754     fi

   756     if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then

   757         extra_config+=("--enable-target-optspace")

   758     fi

   759     if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then

   760         extra_config+=("--disable-libstdcxx-pch")

   761     fi

   763     case "${CT_CC_GCC_LDBL_128}" in

   764         y)  extra_config+=("--with-long-double-128");;

   765         m)  ;;

   766         "") extra_config+=("--without-long-double-128");;

   767     esac

   769     if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then

   770         extra_config+=( --enable-linker-build-id )

   771     fi

   773     case "${CT_CC_GCC_LNK_HASH_STYLE}" in

   774         "") ;;

   775         *)  extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;

   776     esac

   778     if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then

   779         extra_config+=( --enable-plugin )

   780     fi

   781     if [ "${CT_CC_GCC_GOLD}" = "y" ]; then

   782         extra_config+=( --enable-gold )

   783     fi

   785     case "${CT_ARCH}" in

   786         mips)

   787             case "${CT_CC_GCC_mips_llsc}" in

   788                 y)  extra_config+=( --with-llsc );;

   789                 m)  ;;

   790                 *)  extra_config+=( --without-llsc );;

   791             esac

   792             case "${CT_CC_GCC_mips_synci}" in

   793                 y)  extra_config+=( --with-synci );;

   794                 m)  ;;

   795                 *)  extra_config+=( --without-synci );;

   796             esac

   797             if [ "${CT_CC_GCC_mips_plt}" ]; then

   798                 extra_config+=( --with-mips-plt )

   799             fi

   800             ;; # ARCH is mips

   801     esac

   803     [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")

   805     if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then

   806         extra_config+=("--with-system-zlib")

   807     fi

   809     if [ "${CT_MULTILIB}" = "y" ]; then

   810         extra_config+=("--enable-multilib")

   811     else

   812         extra_config+=("--disable-multilib")

   813     fi

   815     CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"

   817     CT_DoExecLog CFG                                \

   818     CC_FOR_BUILD="${CT_BUILD}-gcc"                  \

   819     CFLAGS="${cflags}"                              \

   820     LDFLAGS="${final_LDFLAGS[*]}"                   \

   821     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   822     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   823     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

   824     "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure"  \

   825         --build=${CT_BUILD}                         \

   826         --host=${host}                              \

   827         --target=${CT_TARGET}                       \

   828         --prefix="${prefix}"                        \

   829         ${CC_SYSROOT_ARG}                           \

   830         "${extra_config[@]}"                        \

   831         --with-local-prefix="${CT_SYSROOT_DIR}"     \

   832         --enable-c99                                \

   833         --enable-long-long                          \

   834         "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"

   836     if [ "${CT_CANADIAN}" = "y" ]; then

   837         CT_DoLog EXTRA "Building libiberty"

   838         CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty

   839     fi

   841     CT_DoLog EXTRA "Building gcc"

   842     CT_DoExecLog ALL make ${JOBSFLAGS} all

   844     CT_DoLog EXTRA "Installing gcc"

   845     CT_DoExecLog ALL make ${JOBSFLAGS} install

   847     if [ "${build_manuals}" = "yes" ]; then

   848         CT_DoLog EXTRA "Building the GCC manuals"

   849         CT_DoExecLog ALL make pdf html

   850         CT_DoLog EXTRA "Installing the GCC manuals"

   851         CT_DoExecLog ALL make install-{pdf,html}-gcc

   852     fi

   854     # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able

   855     # to call the C compiler with the same, somewhat canonical name.

   856     # check whether compiler has an extension

   857     file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"

   858     [ -z "${file}" ] || ext=".${file##*.}"

   859     CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"

   861     if [ "${CT_MULTILIB}" = "y" ]; then

   862         if [ "${CT_CANADIAN}" = "y" ]; then

   863             CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"

   864         else

   865             multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \

   866                            |tail -n +2 ) )

   867             if [ ${#multilibs[@]} -ne 0 ]; then

   868                 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"

   869                 for i in "${multilibs[@]}"; do

   870                     dir="${i%%;*}"

   871                     flags="${i#*;}"

   872                     CT_DoLog EXTRA "   ${flags//@/ -}  -->  ${dir}/"

   873                 done

   874             else

   875                 CT_DoLog WARN "gcc configured for multilib, but none available"

   876             fi

   877         fi

   878     fi

   879 }

author	Zhenqiang Chen <zhenqiang.chen@linaro.org>
	Tue Nov 19 14:44:02 2013 +0800 (2013-11-19)
changeset 3254	e2e0f34eab6c
parent 3244	8ff20760e93b
child 3269	6bf3336283c2
permissions	-rw-r--r--